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Autor:
D. Sýkorová, K. Rubešová
Publikováno v:
Journal of Sol-Gel Science and Technology. 49:228-232
Calcium plumbate Ca2PbO4 was prepared by sol–gel methods (Pechini complex route with two varieties and water soluble polymer method) and by solid state reaction. The sol–gel prepared samples contained calcium plumbate as the only one phase as ear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fff12ad221facf3435476f6f964b9128
https://doi.org/10.1007/s10971-008-1848-3
https://doi.org/10.1007/s10971-008-1848-3
Publikováno v:
International Journal of Modern Physics B. 21:3246-3249
Series of the samples with nominal compositions Bi 3.2 Pb 0.8 Sr 4 Ca 5 Cu 7 O x and Bi 3.2 Pb 0.8 Sr 4 Ca 5 Cu 7 O x / Ag (10 wt%) were prepared by the standard solid state reaction at the same calcination and sintering temperature and time. Three s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b159f117dfc1e25690be5eff8f2db7ba
https://doi.org/10.1142/s0217979207044299
https://doi.org/10.1142/s0217979207044299
Publikováno v:
physica status solidi c. 3:3065-3068
Chemical substitutions may change structural and physical parameters in HTS. Substituents influence formation of Bi-2223 phase, pinning centers, intergrain connection and change hole carrier concentration. Bulk samples with partial substitution of ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08500e91076abfbf4a3139c3ad342416
https://doi.org/10.1002/pssc.200567031
https://doi.org/10.1002/pssc.200567031
Publikováno v:
Superlattices and Microstructures. 21:393-396
The influence of the addition of B 2 O 3 on the properties of the oxide ceramic materials Bi–Pb–Sr–Ca–Cu–O was investigated. The samples with nominal com-posi-tion Bi a Pb b B c Sr 2 Ca 2 Cu 3 O x ( a = 0.8–1.6, b = 0.06–0.26, c = 0.05
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::225bd4078336b21d9d0d74d9a8c4c95e
https://doi.org/10.1006/spmi.1996.0407
https://doi.org/10.1006/spmi.1996.0407
Publikováno v:
Superconductor Science and Technology. 9:761-765
The effect of the stochiometric replacement of Pb and Bi by V in the Bi - Sr - Ca - Cu - O system has been studied. The content of Bi, Pb and V in the was altered according to the formula: a + b + c = 4 (a = 2.6 - 3.6, b = 0 - 0.8, c = 0 - 0.6). The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7d46a3cfefa71a577efd8f1790ab8ce
https://doi.org/10.1088/0953-2048/9/9/009
https://doi.org/10.1088/0953-2048/9/9/009
Publikováno v:
Physica B: Condensed Matter. 321:295-297
Samples with partial cationic substitution for bismuth in Bi(Pb)-Sr-Ca-Cu-O system were prepared to systematically examine phase formation due to different concentrations of B, Al, Ga and In. The elements were substituted in the range x = 0-0.5 in th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03d3e6e4f6efc62e0d91f7bacb5e827c
https://doi.org/10.1016/s0921-4526(02)00864-5
https://doi.org/10.1016/s0921-4526(02)00864-5
Publikováno v:
Physica B: Condensed Matter. 321:292-294
Samples with the nominal composition Bi 1.8-x A x Pb 0.26 Sr 2 Ca 2 Cu 3 O y (x = 0-0.5; A = B, Al, Ga, In) were prepared. Measurements of resistivity, AC susceptibility, critical current density and magnetization have been used for characterization
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6535529b97c0b744c8a23d2ab025f81c
https://doi.org/10.1016/s0921-4526(02)00863-3
https://doi.org/10.1016/s0921-4526(02)00863-3
Publikováno v:
Collection of Czechoslovak Chemical Communications. 58:1548-1554
Changes of magnetic susceptibility and electrical resistivity of ceramic superconductors of nominal composition YBa2Cu3O7-y and Bi1.4Pb0.6Sr2Ca2Cu3.6Ox observed during their soaking in water are reported. It was found that the YBa2Cu3O7-y superconduc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4ab8901d3c5994399261f020e45f4c2
https://doi.org/10.1135/cccc19931548
https://doi.org/10.1135/cccc19931548
Publikováno v:
Journal of Superconductivity. 13:899-901
The changes in volume of superconducting high-T c (2223) phase of the high-temperature superconductors (HTSC) with nominal composition Bi 3.2 Pb 0.8 Sr 4 Ca 5 Cu 7 O x are studied by magnetic susceptibility during soaking of material in water and mor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cef9f1855e8282a2de4aab6e9ad0f3fc
https://doi.org/10.1023/a:1026429603418
https://doi.org/10.1023/a:1026429603418